package com.sky.mapper;

import com.sky.dto.ShoppingCartDTO;
import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {

    //动态查询
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    //根据id修改数量
    @Update("update shopping_cart set number=#{number} where id =#{id}")
   void updateById(ShoppingCart shoppingCart);

    //插入购物车数据
    @Insert("insert into shopping_cart(name, image, user_id, dish_id, setmeal_id, dish_flavor, number, amount, create_time) " +
            "VALUE (#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    //根据用户数据删除购物车
    @Delete("delete from shopping_cart where user_id =#{userId}")
    void deleteByuserId(Long userId);

    @Select("select number from shopping_cart where user_id= #{userId}")
    List<Integer> getNumberByuserId(Long userId);

    @Delete("delete from shopping_cart where id=#{id}")
    void deleteById(Long id);


    void insertBatch(List<ShoppingCart> shoppingCartList);
}
